I'd be content with either one. On Wed, Jul 10, 2019 at 10:24 AM 'Sam Clegg' via emscripten-discuss < [email protected]> wrote:
> I think its a lot more interesting to support threads in node that in > d8. node is widely used and has official releases. d8 is designed as > an internal testing tool for v8 a IIUC nothing else. > > On Mon, Jul 8, 2019 at 11:32 AM Alon Zakai <[email protected]> wrote: > > > > I don't think it's quite that official, as it appears undocumented. But > I have heard that they use it internally and don't plan to change it. So > it's on par with all of d8 basically, which is not standardized/documented, > but still very useful. > > > > Another option is to try to get node Workers working. I have some wip > stuff in the node-pthreads branch, but I ran out of time - would be great > if someone else can look at that. Basically, the challenge is that logging > etc. is impossible when the main thread blocks, which makes it very hard to > debug. But it might be possible to get working. (d8's nonstandard blocking > APIs make things easier) > > > > - Alon > > > > > > > > On Mon, Jul 8, 2019 at 10:05 AM 'Steven Johnson' via emscripten-discuss < > [email protected]> wrote: > >> > >> This is (potentially) great news; being able to test wasm-threads code > via d8 (rather than a full browser interaction) would make future Halide > support for threading much easier to support. But is this a deliberate, > long-term commitment on the part of V8 to provide enough WebWorker support > to support wasm threading? (We wouldn't entertain using this otherwise.) > >> > >> On Tue, Jul 2, 2019 at 2:02 PM Alon Zakai <[email protected]> wrote: > >>> > >>> Thanks, I didn't know the V8 shell had this! > >>> > >>> After asking some people, it sounds like this can indeed be useful for > us. It isn't intended to be identical to the Web API for Workers, but it is > not a temporary API, so we can rely on it for testing. > >>> > >>> - I think we'd need to work around any API differences like that > .data thing, by checking if we are in "ENVIRONMENT_IS_SHELL" etc. > >>> - The synchronous getMessage is a special d8 extension, yeah - if > it's useful for us then no reason not to use it (but yeah, such things are > probably not well documented except in the source...). > >>> > >>> PR sounds great! > >>> > >>> - Alon > >>> > >>> > >>> On Sat, Jun 29, 2019 at 3:48 AM Zoltan Varga <[email protected]> wrote: > >>>> > >>>> Hi, > >>>> > >>>> It looks like recent versions of V8's JS shell support web workers, > so it is possible to run emscripten+pthreads in this shell. This is useful > for running test suites which > >>>> use threads as it requires less work than running in the browser. > >>>> > >>>> Ran into the following problems: > >>>> - the message received by onmessage () is not wrapped in a 'data' > property. This might be a bug in D8. > >>>> - the main threads onmessage () seems to be only called when control > returns to the main loop which never seems to happen in the JS shell, so > the 'loaded' message > >>>> is never received by the main thread, so startup fails. Worked > around it by receiving the message synchronously using worker.getMessage () > and passing it to > >>>> onmessage (). Couldn't find too much documentation on getMessage > (), is it a V8 extension ? > >>>> > >>>> Here is a commit with the changes: > >>>> > https://github.com/vargaz/emscripten/commit/99e8ab6fb5e2a46a880aebe30014f6065b1c1b35 > >>>> > >>>> Wanted to discuss these isues before making it into a PR. > >>>> > >>>> Zoltan > >>>> > >>>> > >>>> -- > >>>> You received this message because you are subscribed to the Google > Groups "emscripten-discuss" group. > >>>> To unsubscribe from this group and stop receiving emails from it, > send an email to [email protected]. > >>>> To view this discussion on the web visit > https://groups.google.com/d/msgid/emscripten-discuss/95c693a4-7d24-4e40-9bff-7ea1e960daa4%40googlegroups.com > . > >>>> For more options, visit https://groups.google.com/d/optout. > >>> > >>> -- > >>> You received this message because you are subscribed to the Google > Groups "emscripten-discuss" group. > >>> To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > >>> To view this discussion on the web visit > https://groups.google.com/d/msgid/emscripten-discuss/CAEX4NpQukKgBZQ3eLFxH0UCNotCWQchQ7S6cgMXDLM_Tus4wwA%40mail.gmail.com > . > >>> For more options, visit https://groups.google.com/d/optout. > >> > >> -- > >> You received this message because you are subscribed to the Google > Groups "emscripten-discuss" group. > >> To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > >> To view this discussion on the web visit > https://groups.google.com/d/msgid/emscripten-discuss/CAM%3DdnvdOyGe_tA7Zz9mbE9P0jBcJpdxiPpAkc9t63_fudKcqiQ%40mail.gmail.com > . > >> For more options, visit https://groups.google.com/d/optout. > > > > -- > > You received this message because you are subscribed to the Google > Groups "emscripten-discuss" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected]. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/emscripten-discuss/CAEX4NpR0kdprd54PB0UoBU-ExcJKM8r7uyDAqxMdLoxc7sH4aA%40mail.gmail.com > . > > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "emscripten-discuss" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/emscripten-discuss/CAL_va28Kf1iVCQKhNRGS2Q%2BSXAPzvZqhqt-QVju%3DjEPZCOmR8g%40mail.gmail.com > . > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "emscripten-discuss" group. 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